<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style type="text/css">
  body{
     margin: 0px auto;
     text-align: center;
     padding-top: 160px;
  }
</style>
</head>

<body>
    <form action="SetCookieServlet" method="post">
      选择你喜欢的颜色：<input type="color" name="color" />
     
     <br /><br />
      <input type="submit" value="提交" />
    </form>
</body>
</html>